Bug 1853014 (CVE-2020-12417)

Summary:	CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 68.10, thunderbird 68.10.0, thunderbird 78	Doc Type:	If docs needed, set a value
Doc Text:	The Mozilla Foundation Security Advisory describes this flaw as: Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-07-07 01:27:42 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1850596, 1850597, 1850599, 1850600, 1850601, 1850603, 1850732, 1850733, 1850734, 1850735, 1850736, 1850737
Bug Blocks:	1850592

Description msiddiqu 2020-07-01 18:05:25 UTC

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash.

*Note: this issue only affects Firefox on ARM64 platforms.*



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12417

Comment 1 msiddiqu 2020-07-01 18:05:31 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Deian Stefan

Comment 2 Doran Moppert 2020-07-02 05:36:49 UTC

Statement:

This vulnerability only affects Firefox on ARM64/aarch64 platforms.  Other architectures are not affected.

Comment 4 errata-xmlrpc 2020-07-06 20:26:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:2825 https://access.redhat.com/errata/RHSA-2020:2825

Comment 5 errata-xmlrpc 2020-07-06 21:05:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:2826 https://access.redhat.com/errata/RHSA-2020:2826

Comment 6 errata-xmlrpc 2020-07-06 21:05:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:2828 https://access.redhat.com/errata/RHSA-2020:2828

Comment 7 errata-xmlrpc 2020-07-06 21:14:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:2827 https://access.redhat.com/errata/RHSA-2020:2827

Comment 8 Product Security DevOps Team 2020-07-07 01:27:42 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12417

Comment 10 errata-xmlrpc 2020-07-14 11:14:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:2907 https://access.redhat.com/errata/RHSA-2020:2907

Comment 11 errata-xmlrpc 2020-07-14 11:33:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:2906 https://access.redhat.com/errata/RHSA-2020:2906

Comment 12 errata-xmlrpc 2020-07-21 14:34:52 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:3046 https://access.redhat.com/errata/RHSA-2020:3046

Comment 13 errata-xmlrpc 2020-07-21 14:49:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3038 https://access.redhat.com/errata/RHSA-2020:3038